| Castellammare del Golfo to Spilamberto | 459.85 mi (740.05 km) |
| Castellammare del Golfo to Spilimbergo | 559.77 mi (900.87 km) |
| Castellammare del Golfo to Spinea | 517.23 mi (832.39 km) |
| Castellammare del Golfo to Spoleto | 326.98 mi (526.22 km) |
| Castellammare del Golfo to Spoltore | 313.10 mi (503.89 km) |
| Castellammare del Golfo to Spresiano | 536.92 mi (864.10 km) |
| Castellammare del Golfo to Squinzano | 322.72 mi (519.37 km) |
| Castellammare del Golfo to Statte | 290.02 mi (466.74 km) |
| Castellammare del Golfo to Stezzano | 552.25 mi (888.76 km) |
| Castellammare del Golfo to Strada | 392.54 mi (631.73 km) |
| Castellammare del Golfo to Stradella | 521.40 mi (839.12 km) |
| Castellammare del Golfo to Striano | 212.75 mi (342.39 km) |
| Castellammare del Golfo to Subiaco | 270.19 mi (434.83 km) |
| Castellammare del Golfo to Sulmona | 283.31 mi (455.94 km) |
| Castellammare del Golfo to Surbo | 325.44 mi (523.74 km) |
